BunnyLOD
chip-8
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BunnyLOD | chip-8 | |
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4 | 2 | |
74 | 34 | |
- | - | |
0.0 | 3.2 | |
almost 4 years ago | over 2 years ago | |
C++ | C++ | |
MIT License | BSD 3-clause "New" or "Revised" License |
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BunnyLOD
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question about wasted index Buffer data
If you reuse the same index buffer as proposed then you won't be able to share vertices, which can be an important optimization. In my case I use a 323 cache of vert indices and just insert an index rather than a vertex if the vertex already exists and has the same material. I generate normals in the pixel shader to increase what can be shared, and then use a variant of Stan Melax's edge collapse polygon reduction algorithm to combine edges and reduce triangle count.
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help implementing LOD edge collapse algorithm
You might want to take a look at Stan Melax's easy mesh simplification technique with edge collapse at http://www.melax.com/polychop (read the full article link) - I've ported the code so it runs cross platform on https://github.com/dougbinks/BunnyLOD
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Mesh optimization algorithms
I use a variant of progressive meshing, but constrained to preserve edges, normals and ambient occulusion in Avoyd based on Stan Melax's work: https://github.com/dougbinks/BunnyLOD
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Voxel Vendredi 81
My triangle reduction in Avoyd, loosely based on Stan Melax's progressive mesh approach checks that the vertex being removed is internal to a set of triangles by checking that the internal angles add up to roughly 2Pi. This also ensures only flat surfaces are reduced, although I also perform normal checks and that vertex ambient occlusion gradients are preserved.
chip-8
- Show HN: Chip-8 interpreter with a fancy GUI made using C++ and Dear ImGui
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So I did my first Chip-8 interpreter with a fancy GUI
Source: https://github.com/gargakshit/chip-8 Libraries: GLFW with OpenGL, Dear ImGui
What are some alternatives?
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chip-8 - CHIP-8 Emulator/Debugger made with C++ 17, OpenGL & ImGui.
Physically-based-deferred-shading - First attempt at writing a good looking 3D renderer. Written in C++ using OpenGL on Ubuntu.
ch8-rs
Bplus.jl - A modern OpenGL 4.6 rendering framework, written in Julia.
zxShaderViz - A useful tool to edit and visualize shaders in real time.
chip8 - A simple chip-8 emulator in C++ using SDL2 with desktop & browser support